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Round|Lab Grown|IGI

1.58ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG691528762

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691528762

Diamond specifications and retailer prices

From €197 EUR
$220 USD
As of September 15, 2026
2 retailers carry this diamond
Most expensive: €488 EUR at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691528762 or 691528762. Listed at 2 retailers as of September 15, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691528762
Dimensions7.46 × 7.42 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.42 mm1.58 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691528762
Side View
Table 56.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Sep 15
Current: €488 EUR|Low: €197 EUR|High: €761 EUR|Avg: €442 EUR|-0.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 7, 2026
Retailer 2€197 EUR
Retailer 3€200 EUR
Retailer 5€331 EUR
Retailer 7€350 EUR
Retailer 4€424 EUR
Retailer 10€425 EUR
Rare Carat€488 EUR
Retailer 8€549 EUR
Retailer 9€691 EUR
Retailer 6€761 EUR

2 data points across 10 retailers

2 retailers€197 EUR to €488 EUR

Retailer 1
-
€197 EUR
$220 USD
Price last confirmed 47 days ago
Most Expensive
Rare Carat
9000125630 · Oct 25
€488 EUR
$545 USD
View
Price last confirmed 7 days ago
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

1.58ct Round
€197 EUR